Using seasonal relatives. Apple$$s Citrus Fruit Farm ships boxed fruit to anywhere in the world. Using the following information, a manager wants to forecast shipments for the first four months of next year.

Month

Seasonal Relative

Seasonal Month Relative

Jul. $0\mathrm{.}8$ Aug. $0\mathrm{.}6$ Sep. $0\mathrm{.}7$ Oct. $1\mathrm{.}0$ Nov. $1\mathrm{.}1$ Dec. $1\mathrm{.}4$

Jan. $1\mathrm{.}2$ Feb. $1\mathrm{.}3$ Mar. $1\mathrm{.}3$ Apr. $1\mathrm{.}1$ May. $0\mathrm{.}8$ Jun. $0\mathrm{.}7$

The monthly forecast equation being used is: Ft $=402+3$t

where

t$0=$ January of last year

Ft $=$ Forecast of shipments for month t